Home / 5,088.78-7,027.65-4,538.70

Finding the Fourth Proportional to 5,088.78, 7,027.65 and 4,538.70

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Solution

The fourth proportional to 5,088.78, 7,027.65 and 4,538.70 is: 6,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.78 : 7,027.65 = 4,538.70 : x
  2. Step 2: Convert to fraction form
    5,088.78/7,027.65 = 4,538.70/x
  3. Step 3: Cross multiply
    5,088.78x = 7,027.65 × 4,538.70
  4. Step 4: Simplify right side
    5,088.78x = 31,896,395.06
  5. Step 5: Solve for x
    x = 31,896,395.06/5,088.78
  6. Step 6: Final answer
    x = 6,267.98

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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.