Home / 5,276.77-7,282.28-3,038.60

Finding the Fourth Proportional to 5,276.77, 7,282.28 and 3,038.60

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Solution

The fourth proportional to 5,276.77, 7,282.28 and 3,038.60 is: 4,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.77 : 7,282.28 = 3,038.60 : x
  2. Step 2: Convert to fraction form
    5,276.77/7,282.28 = 3,038.60/x
  3. Step 3: Cross multiply
    5,276.77x = 7,282.28 × 3,038.60
  4. Step 4: Simplify right side
    5,276.77x = 22,127,920.82
  5. Step 5: Solve for x
    x = 22,127,920.82/5,276.77
  6. Step 6: Final answer
    x = 4,193.46

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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.