Home / 7,358.78-10,156.70-4,528.56

Finding the Fourth Proportional to 7,358.78, 10,156.70 and 4,528.56

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Solution

The fourth proportional to 7,358.78, 10,156.70 and 4,528.56 is: 6,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.78 : 10,156.70 = 4,528.56 : x
  2. Step 2: Convert to fraction form
    7,358.78/10,156.70 = 4,528.56/x
  3. Step 3: Cross multiply
    7,358.78x = 10,156.70 × 4,528.56
  4. Step 4: Simplify right side
    7,358.78x = 45,995,225.35
  5. Step 5: Solve for x
    x = 45,995,225.35/7,358.78
  6. Step 6: Final answer
    x = 6,250.39

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.