Home / 5,619.12-8,397.55-5,295

Finding the Fourth Proportional to 5,619.12, 8,397.55 and 5,295

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Solution

The fourth proportional to 5,619.12, 8,397.55 and 5,295 is: 7,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.12 : 8,397.55 = 5,295 : x
  2. Step 2: Convert to fraction form
    5,619.12/8,397.55 = 5,295/x
  3. Step 3: Cross multiply
    5,619.12x = 8,397.55 × 5,295
  4. Step 4: Simplify right side
    5,619.12x = 44,465,027.25
  5. Step 5: Solve for x
    x = 44,465,027.25/5,619.12
  6. Step 6: Final answer
    x = 7,913.17

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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.