Home / 5,242.59-7,864.74-1,732.77

Finding the Fourth Proportional to 5,242.59, 7,864.74 and 1,732.77

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Solution

The fourth proportional to 5,242.59, 7,864.74 and 1,732.77 is: 2,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.59 : 7,864.74 = 1,732.77 : x
  2. Step 2: Convert to fraction form
    5,242.59/7,864.74 = 1,732.77/x
  3. Step 3: Cross multiply
    5,242.59x = 7,864.74 × 1,732.77
  4. Step 4: Simplify right side
    5,242.59x = 13,627,785.53
  5. Step 5: Solve for x
    x = 13,627,785.53/5,242.59
  6. Step 6: Final answer
    x = 2,599.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.