Home / 5,435.56-7,501.08-3,078.46

Finding the Fourth Proportional to 5,435.56, 7,501.08 and 3,078.46

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Solution

The fourth proportional to 5,435.56, 7,501.08 and 3,078.46 is: 4,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.56 : 7,501.08 = 3,078.46 : x
  2. Step 2: Convert to fraction form
    5,435.56/7,501.08 = 3,078.46/x
  3. Step 3: Cross multiply
    5,435.56x = 7,501.08 × 3,078.46
  4. Step 4: Simplify right side
    5,435.56x = 23,091,774.74
  5. Step 5: Solve for x
    x = 23,091,774.74/5,435.56
  6. Step 6: Final answer
    x = 4,248.28

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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.