Home / 4,973.12-7,459.68-1,275.35

Finding the Fourth Proportional to 4,973.12, 7,459.68 and 1,275.35

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Solution

The fourth proportional to 4,973.12, 7,459.68 and 1,275.35 is: 1,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.12 : 7,459.68 = 1,275.35 : x
  2. Step 2: Convert to fraction form
    4,973.12/7,459.68 = 1,275.35/x
  3. Step 3: Cross multiply
    4,973.12x = 7,459.68 × 1,275.35
  4. Step 4: Simplify right side
    4,973.12x = 9,513,702.89
  5. Step 5: Solve for x
    x = 9,513,702.89/4,973.12
  6. Step 6: Final answer
    x = 1,913.03

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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.