Home / 2,475.08-3,415.60-1,356.01

Finding the Fourth Proportional to 2,475.08, 3,415.60 and 1,356.01

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Solution

The fourth proportional to 2,475.08, 3,415.60 and 1,356.01 is: 1,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.08 : 3,415.60 = 1,356.01 : x
  2. Step 2: Convert to fraction form
    2,475.08/3,415.60 = 1,356.01/x
  3. Step 3: Cross multiply
    2,475.08x = 3,415.60 × 1,356.01
  4. Step 4: Simplify right side
    2,475.08x = 4,631,587.76
  5. Step 5: Solve for x
    x = 4,631,587.76/2,475.08
  6. Step 6: Final answer
    x = 1,871.29

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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.