Home / 7,445.04-10,267.56-5,672.40

Finding the Fourth Proportional to 7,445.04, 10,267.56 and 5,672.40

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Solution

The fourth proportional to 7,445.04, 10,267.56 and 5,672.40 is: 7,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.04 : 10,267.56 = 5,672.40 : x
  2. Step 2: Convert to fraction form
    7,445.04/10,267.56 = 5,672.40/x
  3. Step 3: Cross multiply
    7,445.04x = 10,267.56 × 5,672.40
  4. Step 4: Simplify right side
    7,445.04x = 58,241,707.34
  5. Step 5: Solve for x
    x = 58,241,707.34/7,445.04
  6. Step 6: Final answer
    x = 7,822.89

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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.