Home / 2,435.16-3,360.01-1,440.76

Finding the Fourth Proportional to 2,435.16, 3,360.01 and 1,440.76

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Solution

The fourth proportional to 2,435.16, 3,360.01 and 1,440.76 is: 1,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.16 : 3,360.01 = 1,440.76 : x
  2. Step 2: Convert to fraction form
    2,435.16/3,360.01 = 1,440.76/x
  3. Step 3: Cross multiply
    2,435.16x = 3,360.01 × 1,440.76
  4. Step 4: Simplify right side
    2,435.16x = 4,840,970.41
  5. Step 5: Solve for x
    x = 4,840,970.41/2,435.16
  6. Step 6: Final answer
    x = 1,987.94

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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.