Home / 5,620.55-8,389.15-4,866.70

Finding the Fourth Proportional to 5,620.55, 8,389.15 and 4,866.70

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Solution

The fourth proportional to 5,620.55, 8,389.15 and 4,866.70 is: 7,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.55 : 8,389.15 = 4,866.70 : x
  2. Step 2: Convert to fraction form
    5,620.55/8,389.15 = 4,866.70/x
  3. Step 3: Cross multiply
    5,620.55x = 8,389.15 × 4,866.70
  4. Step 4: Simplify right side
    5,620.55x = 40,827,443.17
  5. Step 5: Solve for x
    x = 40,827,443.17/5,620.55
  6. Step 6: Final answer
    x = 7,263.96

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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.