Home / 2,267.93-3,123.87-1,603.64

Finding the Fourth Proportional to 2,267.93, 3,123.87 and 1,603.64

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Solution

The fourth proportional to 2,267.93, 3,123.87 and 1,603.64 is: 2,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.93 : 3,123.87 = 1,603.64 : x
  2. Step 2: Convert to fraction form
    2,267.93/3,123.87 = 1,603.64/x
  3. Step 3: Cross multiply
    2,267.93x = 3,123.87 × 1,603.64
  4. Step 4: Simplify right side
    2,267.93x = 5,009,547.27
  5. Step 5: Solve for x
    x = 5,009,547.27/2,267.93
  6. Step 6: Final answer
    x = 2,208.87

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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.