Home / 3,740.19-5,159.28-2,340.51

Finding the Fourth Proportional to 3,740.19, 5,159.28 and 2,340.51

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Solution

The fourth proportional to 3,740.19, 5,159.28 and 2,340.51 is: 3,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.19 : 5,159.28 = 2,340.51 : x
  2. Step 2: Convert to fraction form
    3,740.19/5,159.28 = 2,340.51/x
  3. Step 3: Cross multiply
    3,740.19x = 5,159.28 × 2,340.51
  4. Step 4: Simplify right side
    3,740.19x = 12,075,346.43
  5. Step 5: Solve for x
    x = 12,075,346.43/3,740.19
  6. Step 6: Final answer
    x = 3,228.54

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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.