Home / 5,301.02-7,315.54-2,911.23

Finding the Fourth Proportional to 5,301.02, 7,315.54 and 2,911.23

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Solution

The fourth proportional to 5,301.02, 7,315.54 and 2,911.23 is: 4,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.02 : 7,315.54 = 2,911.23 : x
  2. Step 2: Convert to fraction form
    5,301.02/7,315.54 = 2,911.23/x
  3. Step 3: Cross multiply
    5,301.02x = 7,315.54 × 2,911.23
  4. Step 4: Simplify right side
    5,301.02x = 21,297,219.51
  5. Step 5: Solve for x
    x = 21,297,219.51/5,301.02
  6. Step 6: Final answer
    x = 4,017.57

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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.