Home / 2,066.70-2,852.85-1,403.93

Finding the Fourth Proportional to 2,066.70, 2,852.85 and 1,403.93

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Solution

The fourth proportional to 2,066.70, 2,852.85 and 1,403.93 is: 1,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.70 : 2,852.85 = 1,403.93 : x
  2. Step 2: Convert to fraction form
    2,066.70/2,852.85 = 1,403.93/x
  3. Step 3: Cross multiply
    2,066.70x = 2,852.85 × 1,403.93
  4. Step 4: Simplify right side
    2,066.70x = 4,005,214.10
  5. Step 5: Solve for x
    x = 4,005,214.10/2,066.70
  6. Step 6: Final answer
    x = 1,937.98

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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.