Home / 2,475.16-3,415.76-1,356.08

Finding the Fourth Proportional to 2,475.16, 3,415.76 and 1,356.08

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Solution

The fourth proportional to 2,475.16, 3,415.76 and 1,356.08 is: 1,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.16 : 3,415.76 = 1,356.08 : x
  2. Step 2: Convert to fraction form
    2,475.16/3,415.76 = 1,356.08/x
  3. Step 3: Cross multiply
    2,475.16x = 3,415.76 × 1,356.08
  4. Step 4: Simplify right side
    2,475.16x = 4,632,043.82
  5. Step 5: Solve for x
    x = 4,632,043.82/2,475.16
  6. Step 6: Final answer
    x = 1,871.41

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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.