Home / 5,031.66-7,501.56-4,903.78

Finding the Fourth Proportional to 5,031.66, 7,501.56 and 4,903.78

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Solution

The fourth proportional to 5,031.66, 7,501.56 and 4,903.78 is: 7,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.66 : 7,501.56 = 4,903.78 : x
  2. Step 2: Convert to fraction form
    5,031.66/7,501.56 = 4,903.78/x
  3. Step 3: Cross multiply
    5,031.66x = 7,501.56 × 4,903.78
  4. Step 4: Simplify right side
    5,031.66x = 36,785,937.87
  5. Step 5: Solve for x
    x = 36,785,937.87/5,031.66
  6. Step 6: Final answer
    x = 7,310.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.