Home / 5,587.34-7,717.35-4,177.28

Finding the Fourth Proportional to 5,587.34, 7,717.35 and 4,177.28

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Solution

The fourth proportional to 5,587.34, 7,717.35 and 4,177.28 is: 5,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.34 : 7,717.35 = 4,177.28 : x
  2. Step 2: Convert to fraction form
    5,587.34/7,717.35 = 4,177.28/x
  3. Step 3: Cross multiply
    5,587.34x = 7,717.35 × 4,177.28
  4. Step 4: Simplify right side
    5,587.34x = 32,237,510.92
  5. Step 5: Solve for x
    x = 32,237,510.92/5,587.34
  6. Step 6: Final answer
    x = 5,769.75

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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.