Home / 5,622.60-8,438.70-2,507.40

Finding the Fourth Proportional to 5,622.60, 8,438.70 and 2,507.40

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Solution

The fourth proportional to 5,622.60, 8,438.70 and 2,507.40 is: 3,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.60 : 8,438.70 = 2,507.40 : x
  2. Step 2: Convert to fraction form
    5,622.60/8,438.70 = 2,507.40/x
  3. Step 3: Cross multiply
    5,622.60x = 8,438.70 × 2,507.40
  4. Step 4: Simplify right side
    5,622.60x = 21,159,196.38
  5. Step 5: Solve for x
    x = 21,159,196.38/5,622.60
  6. Step 6: Final answer
    x = 3,763.24

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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.