Home / 7,298.76-10,948.40-2,856.28

Finding the Fourth Proportional to 7,298.76, 10,948.40 and 2,856.28

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Solution

The fourth proportional to 7,298.76, 10,948.40 and 2,856.28 is: 4,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.76 : 10,948.40 = 2,856.28 : x
  2. Step 2: Convert to fraction form
    7,298.76/10,948.40 = 2,856.28/x
  3. Step 3: Cross multiply
    7,298.76x = 10,948.40 × 2,856.28
  4. Step 4: Simplify right side
    7,298.76x = 31,271,695.95
  5. Step 5: Solve for x
    x = 31,271,695.95/7,298.76
  6. Step 6: Final answer
    x = 4,284.52

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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.