Home / 5,438.04-7,503.78-3,445.08

Finding the Fourth Proportional to 5,438.04, 7,503.78 and 3,445.08

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Solution

The fourth proportional to 5,438.04, 7,503.78 and 3,445.08 is: 4,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.04 : 7,503.78 = 3,445.08 : x
  2. Step 2: Convert to fraction form
    5,438.04/7,503.78 = 3,445.08/x
  3. Step 3: Cross multiply
    5,438.04x = 7,503.78 × 3,445.08
  4. Step 4: Simplify right side
    5,438.04x = 25,851,122.40
  5. Step 5: Solve for x
    x = 25,851,122.40/5,438.04
  6. Step 6: Final answer
    x = 4,753.76

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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.