Home / 2,475.09-3,415.50-1,480.91

Finding the Fourth Proportional to 2,475.09, 3,415.50 and 1,480.91

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Solution

The fourth proportional to 2,475.09, 3,415.50 and 1,480.91 is: 2,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.09 : 3,415.50 = 1,480.91 : x
  2. Step 2: Convert to fraction form
    2,475.09/3,415.50 = 1,480.91/x
  3. Step 3: Cross multiply
    2,475.09x = 3,415.50 × 1,480.91
  4. Step 4: Simplify right side
    2,475.09x = 5,058,051.81
  5. Step 5: Solve for x
    x = 5,058,051.81/2,475.09
  6. Step 6: Final answer
    x = 2,043.59

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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.