Home / 7,427.90-10,250.70-4,595.78

Finding the Fourth Proportional to 7,427.90, 10,250.70 and 4,595.78

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Solution

The fourth proportional to 7,427.90, 10,250.70 and 4,595.78 is: 6,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.90 : 10,250.70 = 4,595.78 : x
  2. Step 2: Convert to fraction form
    7,427.90/10,250.70 = 4,595.78/x
  3. Step 3: Cross multiply
    7,427.90x = 10,250.70 × 4,595.78
  4. Step 4: Simplify right side
    7,427.90x = 47,109,962.05
  5. Step 5: Solve for x
    x = 47,109,962.05/7,427.90
  6. Step 6: Final answer
    x = 6,342.30

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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.