Home / 7,502.59-10,353.45-4,145.53

Finding the Fourth Proportional to 7,502.59, 10,353.45 and 4,145.53

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Solution

The fourth proportional to 7,502.59, 10,353.45 and 4,145.53 is: 5,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.59 : 10,353.45 = 4,145.53 : x
  2. Step 2: Convert to fraction form
    7,502.59/10,353.45 = 4,145.53/x
  3. Step 3: Cross multiply
    7,502.59x = 10,353.45 × 4,145.53
  4. Step 4: Simplify right side
    7,502.59x = 42,920,537.58
  5. Step 5: Solve for x
    x = 42,920,537.58/7,502.59
  6. Step 6: Final answer
    x = 5,720.76

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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.