Home / 5,318.48-7,970.16-4,001.36

Finding the Fourth Proportional to 5,318.48, 7,970.16 and 4,001.36

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Solution

The fourth proportional to 5,318.48, 7,970.16 and 4,001.36 is: 5,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.48 : 7,970.16 = 4,001.36 : x
  2. Step 2: Convert to fraction form
    5,318.48/7,970.16 = 4,001.36/x
  3. Step 3: Cross multiply
    5,318.48x = 7,970.16 × 4,001.36
  4. Step 4: Simplify right side
    5,318.48x = 31,891,479.42
  5. Step 5: Solve for x
    x = 31,891,479.42/5,318.48
  6. Step 6: Final answer
    x = 5,996.35

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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.