Home / 2,373.35-3,556.85-1,278.50

Finding the Fourth Proportional to 2,373.35, 3,556.85 and 1,278.50

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Solution

The fourth proportional to 2,373.35, 3,556.85 and 1,278.50 is: 1,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.35 : 3,556.85 = 1,278.50 : x
  2. Step 2: Convert to fraction form
    2,373.35/3,556.85 = 1,278.50/x
  3. Step 3: Cross multiply
    2,373.35x = 3,556.85 × 1,278.50
  4. Step 4: Simplify right side
    2,373.35x = 4,547,408.55
  5. Step 5: Solve for x
    x = 4,547,408.55/2,373.35
  6. Step 6: Final answer
    x = 1,916.03

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1.5x scale

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.