Home / 2,093.75-2,888.28-1,242.51

Finding the Fourth Proportional to 2,093.75, 2,888.28 and 1,242.51

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Solution

The fourth proportional to 2,093.75, 2,888.28 and 1,242.51 is: 1,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.75 : 2,888.28 = 1,242.51 : x
  2. Step 2: Convert to fraction form
    2,093.75/2,888.28 = 1,242.51/x
  3. Step 3: Cross multiply
    2,093.75x = 2,888.28 × 1,242.51
  4. Step 4: Simplify right side
    2,093.75x = 3,588,710.61
  5. Step 5: Solve for x
    x = 3,588,710.61/2,093.75
  6. Step 6: Final answer
    x = 1,714.01

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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.