Home / 1,400.74-2,097.05-1,055.53

Finding the Fourth Proportional to 1,400.74, 2,097.05 and 1,055.53

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Solution

The fourth proportional to 1,400.74, 2,097.05 and 1,055.53 is: 1,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.74 : 2,097.05 = 1,055.53 : x
  2. Step 2: Convert to fraction form
    1,400.74/2,097.05 = 1,055.53/x
  3. Step 3: Cross multiply
    1,400.74x = 2,097.05 × 1,055.53
  4. Step 4: Simplify right side
    1,400.74x = 2,213,496.58
  5. Step 5: Solve for x
    x = 2,213,496.58/1,400.74
  6. Step 6: Final answer
    x = 1,580.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.