Home / 7,487.58-10,333.08-4,130.49

Finding the Fourth Proportional to 7,487.58, 10,333.08 and 4,130.49

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Solution

The fourth proportional to 7,487.58, 10,333.08 and 4,130.49 is: 5,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.58 : 10,333.08 = 4,130.49 : x
  2. Step 2: Convert to fraction form
    7,487.58/10,333.08 = 4,130.49/x
  3. Step 3: Cross multiply
    7,487.58x = 10,333.08 × 4,130.49
  4. Step 4: Simplify right side
    7,487.58x = 42,680,683.61
  5. Step 5: Solve for x
    x = 42,680,683.61/7,487.58
  6. Step 6: Final answer
    x = 5,700.20

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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.