Home / 2,475.34-3,415.95-1,356.27

Finding the Fourth Proportional to 2,475.34, 3,415.95 and 1,356.27

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Solution

The fourth proportional to 2,475.34, 3,415.95 and 1,356.27 is: 1,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.34 : 3,415.95 = 1,356.27 : x
  2. Step 2: Convert to fraction form
    2,475.34/3,415.95 = 1,356.27/x
  3. Step 3: Cross multiply
    2,475.34x = 3,415.95 × 1,356.27
  4. Step 4: Simplify right side
    2,475.34x = 4,632,950.51
  5. Step 5: Solve for x
    x = 4,632,950.51/2,475.34
  6. Step 6: Final answer
    x = 1,871.64

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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.