Home / 2,420.42-3,337.51-1,673.08

Finding the Fourth Proportional to 2,420.42, 3,337.51 and 1,673.08

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Solution

The fourth proportional to 2,420.42, 3,337.51 and 1,673.08 is: 2,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.42 : 3,337.51 = 1,673.08 : x
  2. Step 2: Convert to fraction form
    2,420.42/3,337.51 = 1,673.08/x
  3. Step 3: Cross multiply
    2,420.42x = 3,337.51 × 1,673.08
  4. Step 4: Simplify right side
    2,420.42x = 5,583,927.10
  5. Step 5: Solve for x
    x = 5,583,927.10/2,420.42
  6. Step 6: Final answer
    x = 2,307.01

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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.