Home / 5,276.04-7,280.40-2,917.84

Finding the Fourth Proportional to 5,276.04, 7,280.40 and 2,917.84

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Solution

The fourth proportional to 5,276.04, 7,280.40 and 2,917.84 is: 4,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.04 : 7,280.40 = 2,917.84 : x
  2. Step 2: Convert to fraction form
    5,276.04/7,280.40 = 2,917.84/x
  3. Step 3: Cross multiply
    5,276.04x = 7,280.40 × 2,917.84
  4. Step 4: Simplify right side
    5,276.04x = 21,243,042.34
  5. Step 5: Solve for x
    x = 21,243,042.34/5,276.04
  6. Step 6: Final answer
    x = 4,026.32

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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.